CVE-2020-26680

Name: CVE-2020-26680
Creator: NVD / NIST
Published: 2021-05-26T12:15:15.93+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2020-26680 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. In vFairs 3.3, any user logged in to a vFairs virtual conference or event can modify any other users profile information to include a cross-site scripting payload. The user data stored by the database includes HTML tags that are intentionally rendered out onto the page, and this can be abused to perform XSS attacks.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

Description

In vFairs 3.3, any user logged in to a vFairs virtual conference or event can modify any other users profile information to include a cross-site scripting payload. The user data stored by the database includes HTML tags that are intentionally rendered out onto the page, and this can be abused to perform XSS attacks.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.47%

37.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Vfairs	Vfairs	3.3

References

http://vfairs.comVendor Advisory
https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attackThird Party Advisory
http://vfairs.comVendor Advisory
https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attackThird Party Advisory

Timeline

Published: May 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26680?

How severe is CVE-2020-26680?

CVE-2020-26680 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26680?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26680?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST